Diffusion Ant (master) Code

ant/tests/repro_nan2.js
8755416ca476master

repro_nan2.js
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			// Test 1: closure_var with upvalue capture (original bug)
			function closure_var(n) {
			function f(a) { sum++; }
			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) { f(j); f(j); f(j); f(j); }
			return n * 4;
			}

			// Test 2: same loop but no upvalue capture - just a noop inner call
			function no_capture(n) {
			function f(a) { return 1; }
			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) { sum += f(j); }
			return n;
			}

			// Test 3: same structure but no inner call at all
			function no_inner_call(n) {
			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) { sum += 1; sum += 1; sum += 1; sum += 1; }
			return n * 4;
			}

			// Test 4: closure_var but return sum instead of n*4
			function closure_ret_sum(n) {
			function f(a) { sum++; }
			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) { f(j); f(j); f(j); f(j); }
			return sum;
			}

			var tests = [
			["closure_var", closure_var, function(n) { return n * 4; }],
			["no_capture", no_capture, function(n) { return n; }],
			["no_inner_call", no_inner_call, function(n) { return n * 4; }],
			["closure_ret_sum", closure_ret_sum, function(n) { return n * 4; }],
			];

			for (var t = 0; t < tests.length; t++) {
			var name = tests[t][0], fn = tests[t][1], expect = tests[t][2];
			var fails = 0;
			for (var i = 0; i < 60; i++) {
			var n = (i < 10) ? (i + 1) : (i * 100);
			var result = fn(n);
			var exp = expect(n);
			if (result !== exp) {
			if (fails < 5)
			console.log("FAIL " + name + "(" + n + ") = " + result + ", expected " + exp);
			fails++;
			}
			}
			if (fails > 0) console.log(" " + name + ": " + fails + " failures total");
			else console.log(" " + name + ": PASS");
			}

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